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-rw-r--r--test/rfc7540_SUITE.erl145
1 files changed, 133 insertions, 12 deletions
diff --git a/test/rfc7540_SUITE.erl b/test/rfc7540_SUITE.erl
index 85e83a5..3d8bac4 100644
--- a/test/rfc7540_SUITE.erl
+++ b/test/rfc7540_SUITE.erl
@@ -3173,6 +3173,114 @@ settings_initial_window_size_reject_overflow(Config) ->
% behavior. These MAY be treated by an implementation as being
% equivalent to INTERNAL_ERROR.
+accept_trailers(Config) ->
+ doc("Trailing HEADERS frames must be accepted. (RFC7540 8.1)"),
+ {ok, Socket} = do_handshake(Config),
+ %% Send a request containing DATA and trailing HEADERS frames.
+ {HeadersBlock, EncodeState} = cow_hpack:encode([
+ {<<":method">>, <<"POST">>},
+ {<<":scheme">>, <<"http">>},
+ {<<":authority">>, <<"localhost">>}, %% @todo Correct port number.
+ {<<":path">>, <<"/long_polling">>},
+ {<<"trailer">>, <<"x-checksum">>}
+ ]),
+ {TrailersBlock, _} = cow_hpack:encode([
+ {<<"x-checksum">>, <<"md5:4cc909a007407f3706399b6496babec3">>}
+ ], EncodeState),
+ ok = gen_tcp:send(Socket, [
+ cow_http2:headers(1, nofin, HeadersBlock),
+ cow_http2:data(1, nofin, <<0:10000/unit:8>>),
+ cow_http2:headers(1, fin, TrailersBlock)
+ ]),
+ %% Receive a HEADERS frame as a response.
+ {ok, << _:24, 1:8, _:40 >>} = gen_tcp:recv(Socket, 9, 6000),
+ ok.
+
+accept_trailers_continuation(Config) ->
+ doc("Trailing HEADERS and CONTINUATION frames must be accepted. (RFC7540 8.1)"),
+ {ok, Socket} = do_handshake(Config),
+ %% Send a request containing DATA and trailing HEADERS and CONTINUATION frames.
+ {HeadersBlock, EncodeState} = cow_hpack:encode([
+ {<<":method">>, <<"POST">>},
+ {<<":scheme">>, <<"http">>},
+ {<<":authority">>, <<"localhost">>}, %% @todo Correct port number.
+ {<<":path">>, <<"/long_polling">>},
+ {<<"trailer">>, <<"x-checksum">>}
+ ]),
+ {TrailersBlock, _} = cow_hpack:encode([
+ {<<"x-checksum">>, <<"md5:4cc909a007407f3706399b6496babec3">>}
+ ], EncodeState),
+ Len = iolist_size(TrailersBlock),
+ ok = gen_tcp:send(Socket, [
+ cow_http2:headers(1, nofin, HeadersBlock),
+ cow_http2:data(1, nofin, <<0:10000/unit:8>>),
+ <<0:24, 1:8, 0:7, 1:1, 0:1, 1:31>>,
+ <<Len:24, 9:8, 0:5, 1:1, 0:3, 1:31>>,
+ TrailersBlock
+ ]),
+ %% Receive a HEADERS frame as a response.
+ {ok, << _:24, 1:8, _:40 >>} = gen_tcp:recv(Socket, 9, 6000),
+ ok.
+
+%% We reject all invalid HEADERS with a connection error because
+%% we do not want to waste resources decoding them.
+reject_trailers_nofin(Config) ->
+ doc("Trailing HEADERS frames received without the END_STREAM flag "
+ "set must be rejected with a PROTOCOL_ERROR connection error. "
+ "(RFC7540 8.1, RFC7540 8.1.2.6)"),
+ {ok, Socket} = do_handshake(Config),
+ %% Send a request containing DATA and trailing HEADERS frames.
+ %% The trailing HEADERS does not have the END_STREAM flag set.
+ {HeadersBlock, EncodeState} = cow_hpack:encode([
+ {<<":method">>, <<"POST">>},
+ {<<":scheme">>, <<"http">>},
+ {<<":authority">>, <<"localhost">>}, %% @todo Correct port number.
+ {<<":path">>, <<"/long_polling">>},
+ {<<"trailer">>, <<"x-checksum">>}
+ ]),
+ {TrailersBlock, _} = cow_hpack:encode([
+ {<<"x-checksum">>, <<"md5:4cc909a007407f3706399b6496babec3">>}
+ ], EncodeState),
+ ok = gen_tcp:send(Socket, [
+ cow_http2:headers(1, nofin, HeadersBlock),
+ cow_http2:data(1, nofin, <<0:10000/unit:8>>),
+ cow_http2:headers(1, nofin, TrailersBlock)
+ ]),
+ %% Receive a PROTOCOL_ERROR connection error.
+ {ok, << _:24, 7:8, _:72, 1:32 >>} = gen_tcp:recv(Socket, 17, 6000),
+ ok.
+
+%% We reject all invalid HEADERS with a connection error because
+%% we do not want to waste resources decoding them.
+reject_trailers_nofin_continuation(Config) ->
+ doc("Trailing HEADERS frames received without the END_STREAM flag "
+ "set must be rejected with a PROTOCOL_ERROR connection error. "
+ "(RFC7540 8.1, RFC7540 8.1.2.6)"),
+ {ok, Socket} = do_handshake(Config),
+ %% Send a request containing DATA and trailing HEADERS and CONTINUATION frames.
+ %% The trailing HEADERS does not have the END_STREAM flag set.
+ {HeadersBlock, EncodeState} = cow_hpack:encode([
+ {<<":method">>, <<"POST">>},
+ {<<":scheme">>, <<"http">>},
+ {<<":authority">>, <<"localhost">>}, %% @todo Correct port number.
+ {<<":path">>, <<"/long_polling">>},
+ {<<"trailer">>, <<"x-checksum">>}
+ ]),
+ {TrailersBlock, _} = cow_hpack:encode([
+ {<<"x-checksum">>, <<"md5:4cc909a007407f3706399b6496babec3">>}
+ ], EncodeState),
+ Len = iolist_size(TrailersBlock),
+ ok = gen_tcp:send(Socket, [
+ cow_http2:headers(1, nofin, HeadersBlock),
+ cow_http2:data(1, nofin, <<0:10000/unit:8>>),
+ <<0:24, 1:8, 0:9, 1:31>>,
+ <<Len:24, 9:8, 0:5, 1:1, 0:3, 1:31>>,
+ TrailersBlock
+ ]),
+ %% Receive a PROTOCOL_ERROR connection error.
+ {ok, << _:24, 7:8, _:72, 1:32 >>} = gen_tcp:recv(Socket, 17, 6000),
+ ok.
+
headers_informational_nofin(Config) ->
doc("Informational HEADERS frames must not have the END_STREAM flag set. (RFC7540 8.1)"),
{ok, Socket} = do_handshake(Config),
@@ -3194,13 +3302,6 @@ headers_informational_nofin(Config) ->
{_, <<"100">>} = lists:keyfind(<<":status">>, 1, RespHeaders),
ok.
-%% (RFC7540 8.1)
-% A HEADERS frame (and associated CONTINUATION frames) can only appear
-% at the start or end of a stream. An endpoint that receives a HEADERS
-% frame without the END_STREAM flag set after receiving a final (non-
-% informational) status code MUST treat the corresponding request or
-% response as malformed (Section 8.1.2.6).
-%
%% @todo This one is interesting to implement because Cowboy DOES this.
% A server can
% send a complete response prior to the client sending an entire
@@ -3261,11 +3362,31 @@ reject_unknown_pseudo_headers(Config) ->
{ok, << _:24, 3:8, _:8, 1:32, 1:32 >>} = gen_tcp:recv(Socket, 13, 6000),
ok.
-%% @todo Implement request trailers. reject_pseudo_headers_in_trailers(Config) ->
-% Pseudo-header fields MUST NOT appear in trailers.
-% Endpoints MUST treat a request or response that contains
-% undefined or invalid pseudo-header fields as malformed
-% (Section 8.1.2.6).
+reject_pseudo_headers_in_trailers(Config) ->
+ doc("Requests containing pseudo-headers in trailers must be rejected "
+ "with a PROTOCOL_ERROR stream error. (RFC7540 8.1.2.1, RFC7540 8.1.2.6)"),
+ {ok, Socket} = do_handshake(Config),
+ %% Send a request containing DATA and trailing HEADERS frames.
+ %% The trailing HEADERS contains pseudo-headers.
+ {HeadersBlock, EncodeState} = cow_hpack:encode([
+ {<<":method">>, <<"POST">>},
+ {<<":scheme">>, <<"http">>},
+ {<<":authority">>, <<"localhost">>}, %% @todo Correct port number.
+ {<<":path">>, <<"/long_polling">>},
+ {<<"trailer">>, <<"x-checksum">>}
+ ]),
+ {TrailersBlock, _} = cow_hpack:encode([
+ {<<"x-checksum">>, <<"md5:4cc909a007407f3706399b6496babec3">>},
+ {<<":path">>, <<"/">>}
+ ], EncodeState),
+ ok = gen_tcp:send(Socket, [
+ cow_http2:headers(1, nofin, HeadersBlock),
+ cow_http2:data(1, nofin, <<0:10000/unit:8>>),
+ cow_http2:headers(1, fin, TrailersBlock)
+ ]),
+ %% Receive a PROTOCOL_ERROR stream error.
+ {ok, << _:24, 3:8, _:8, 1:32, 1:32 >>} = gen_tcp:recv(Socket, 13, 6000),
+ ok.
reject_pseudo_headers_after_regular_headers(Config) ->
doc("Requests containing pseudo-headers after regular headers must be rejected "